#if 0

#include <iostream>

using namespace std;

int main()
{

	int arr[] = { 1, 2, 3, 4, 5 };
	for (int i = 0; i < sizeof(arr) / sizeof(arr[0]); i++)
	{
		cout << arr[i] << ",";
	}
	cout << endl;
	int start = 0;
	int end = sizeof(arr) / sizeof(arr[0]) - 1;
	while (true)
	{
		if (start >= end)
		{
			break;
		}
		int tmp = arr[start];
		arr[start] = arr[end];
		arr[end] = tmp;

		start++;
		end--;
	}

	for (int i = 0; i < sizeof(arr) / sizeof(arr[0]); i++)
	{
		cout << arr[i] << ",";
	}
	cout << endl;
	system("pause");
	return 0;
}
#endif